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Robert Findley 1257328aec gopls/internal/lsp/cache: don't panic when import fails during analysis
We have received a number of empty crash reports for gopls since cutting
the v0.12.3 release. We don't want to auto-populate crash reports with
log.Fatal messages (as unlike panicking stacks they may contain the name
of user packages), so in almost all cases we lose information as to why
gopls crashed (users are unlikely to pre-populate this information).

In general, I don't think failing analysis should crash the process, so
switch this failure mode to a bug report.

Fixes golang/go#60963

Change-Id: I670ee4b1adbe9f37d763c5684b14d4bcb78dcb63
Reviewed-on: https://go-review.googlesource.com/c/tools/+/505575
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit fa103593d0)
Reviewed-on: https://go-review.googlesource.com/c/tools/+/505576
2023-06-23 15:20:06 +00:00
benchmark/parse benchmark/parse: add unit test for String function 2019-12-16 21:43:19 +00:00
blog copyright: test that all files in the repo have copyright notices 2021-01-11 22:19:46 +00:00
cmd cmd/digraph: add "to dot" to emit Graphviz dot 2023-06-16 16:38:04 +00:00
container/intsets all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
copyright copyright: don't require checkout to be named tools 2023-04-27 16:02:34 +00:00
cover cover: eliminate an unnecessary fsync in TestParseProfiles 2023-05-17 15:38:17 +00:00
go gopls/internal/lsp/cache: don't record edges to invalid packages 2023-06-22 22:01:48 +00:00
godoc all: fix some comments 2023-05-05 17:25:45 +00:00
gopls gopls/internal/lsp/cache: don't panic when import fails during analysis 2023-06-23 15:20:06 +00:00
imports all: gofmt 2022-04-12 17:53:17 +00:00
internal gopls/internal/lsp/cache: reduce importing in analysis 2023-06-20 19:04:06 +00:00
playground playground/socket: eliminate an arbitrary timeout in TestLimiter 2022-11-17 19:28:33 +00:00
present present: reformat doc comment for lack of inline code 2023-05-20 21:12:47 +00:00
refactor all: fix some comments 2023-01-31 16:03:41 +00:00
txtar all: gofmt 2022-04-12 17:53:17 +00:00
.gitattributes tools: copying .gitattributes to all subrepositories (fixes windows build) 2014-12-23 06:32:51 +00:00
.gitignore .gitignore: roll back ".gitignore: ignore emacs backup files" 2018-02-13 00:43:28 +00:00
.prettierrc all: add a section on JS/CSS formatting to README 2020-05-28 15:31:34 +00:00
CONTRIBUTING.md CONTRIBUTING.md: remove note about not accepting Pull Requests 2018-03-14 18:02:17 +00:00
LICENSE LICENSE: add 2012-03-17 15:20:58 +11:00
PATENTS go.empty: add PATENTS file to the subrepo. 2012-04-16 11:24:04 +10:00
README.md cmd/present/static: fork needed godoc static resources 2023-03-08 01:14:36 +00:00
codereview.cfg codereview.cfg: update for gopls-release-branch.0.12 2023-04-24 21:13:32 +00:00
go.mod go.mod: update golang.org/x dependencies 2023-06-14 15:55:36 +00:00
go.sum go.mod: update golang.org/x dependencies 2023-06-14 15:55:36 +00:00

README.md

Go Tools

PkgGoDev

This repository provides the golang.org/x/tools module, comprising various tools and packages mostly for static analysis of Go programs, some of which are listed below. Use the "Go reference" link above for more information about any package.

It also contains the golang.org/x/tools/gopls module, whose root package is a language-server protocol (LSP) server for Go. An LSP server analyses the source code of a project and responds to requests from a wide range of editors such as VSCode and Vim, allowing them to support IDE-like functionality.

Selected commands:

  • cmd/goimports formats a Go program like go fmt and additionally inserts import statements for any packages required by the file after it is edited.
  • cmd/callgraph prints the call graph of a Go program.
  • cmd/digraph is a utility for manipulating directed graphs in textual notation.
  • cmd/stringer generates declarations (including a String method) for "enum" types.
  • cmd/toolstash is a utility to simplify working with multiple versions of the Go toolchain.

These commands may be fetched with a command such as

go install golang.org/x/tools/cmd/goimports@latest

Selected packages:

  • go/ssa provides a static single-assignment form (SSA) intermediate representation (IR) for Go programs, similar to a typical compiler, for use by analysis tools.

  • go/packages provides a simple interface for loading, parsing, and type checking a complete Go program from source code.

  • go/analysis provides a framework for modular static analysis of Go programs.

  • go/callgraph provides call graphs of Go programs using a variety of algorithms with different trade-offs.

  • go/ast/inspector provides an optimized means of traversing a Go parse tree for use in analysis tools.

  • go/cfg provides a simple control-flow graph (CFG) for a Go function.

  • go/expect reads Go source files used as test inputs and interprets special comments within them as queries or assertions for testing.

  • go/gcexportdata and go/gccgoexportdata read and write the binary files containing type information used by the standard and gccgo compilers.

  • go/types/objectpath provides a stable naming scheme for named entities ("objects") in the go/types API.

Numerous other packages provide more esoteric functionality.

Contributing

This repository uses Gerrit for code changes. To learn how to submit changes, see https://golang.org/doc/contribute.html.

The main issue tracker for the tools repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/tools/(your subdir):" in the subject line, so it is easy to find.

JavaScript and CSS Formatting

This repository uses prettier to format JS and CSS files.

The version of prettier used is 1.18.2.

It is encouraged that all JS and CSS code be run through this before submitting a change. However, it is not a strict requirement enforced by CI.